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GEO-ENVIRONMENTAL ENGINEERING AND MATERIAL TESTING CENTER

Company services





GEOTECHNICAL ENGINEERING CONSULTING AND GEOTECHNICAL MANAGEMENT SERVICES PROVIDED TO :





 

I.  As specialized Geotechnical Engineering consultant: 

 

To ensure that all Geotechnical Works such as land reclamation and earth works, ground improvement, foundations and all other related works of Nakheel Projects are well planned and executed contractually in full compliance with International Standards at the most optimum time and cost.

 

To provide all needed world class in-house technical support Nakheel in the field of Geotechnical Engineering to ensure achieving the above and  through out all phases starting from tender preparation to completion of the project.  

 

Full responsibility  of all geotechnical aspects of the Client’s development projects.

 

This would include marine reclamation works, foundation works and  ground improvement activities such as vibrocompaction, vibro stone columns, sand columns, and dynamic compaction.

 

Tasks include the following:

 

1.Development of technical specifications and quality control procedures for the design, supervision and construction of geotechnical engineering works such as land reclamation, earth (soil and rock) works, ground improvement works, foundations works (shallow and deep), retaining structures, rock engineering works, shoring protection works, tunnelling works, ground water control systems, underground excavation support , remediation of geotechnical problems and a wide range of geotechnical construction works.

2.Development of design criteria for geotechnical engineering works, including earthquake resistant design, foundation and ground improvement works.

3.Manage the preparation of technical specifications of geotechnical field and lab investigations required for planning and execution of projects.  Manage the interpretation of geotechnical investigation reports for the purpose of design of land reclamation, ground improvement and geotechnical engineering works.

4.Development and execution of investigation plans for the selection of most technically suitable and economically feasible dredging material and sites for use in land reclamation works.

5.Technical review of  contractor and consultant submitted tenders and technical proposals, designs, and specifications related to geotechnical engineering works.

6.Consultancy, technical supervision and quality control of geotechnical investigations, land reclamation, ground improvement, foundation and earth structures works.

7.Evaluation of technical feasibility of ground improvement and foundation works contracts. Provide technical assistance to sites to assure proper quality control procedures of land reclamation, ground improvement and foundations works.

8.Design and supervision of geotechnical aspects of dredging, land reclamation, shoring protection, ground improvement and  foundation works.

9.Technical design and feasibility analysis of ground improvement works and foundation works. 

10.Manage and train others in the geotechnical assessment of technical proposals, the review  of geotechnical designs, and preparation of geotechnical reports.

11.Assessment of geotechnical engineering practices and evaluation of experiences on land reclamation, ground improvement and foundation works at different Nakheel Projects and establishment of compiled lessons learned in this regard for use in future Nakheel Projects to achieve most technically feasible, cost and time effective construction. 

12.Provide technical opinion  on geotechnical aspects of claims and legal matters when they arise for  Nakheel projects (e.g. land reclamation works, ground improvement and foundations works, etc.)

13.Geotechnical monitoring of ground improvement projects, including the analysis of geotechnical data collected during the progress of site works, and after completion of the works.

14. Assist the Client  General Managers and Project Managers in promoting and developing the geotechnical knowledge within the Client, which shall include meeting with potential Developers, Purchasers, Contractors, and Consulting Engineers, and making technical presentations.



      II.LIST OF SERVICES TO PREVIOUS CLIENTS :( e.g, NAKHEEL, EMAAR, ALDAR and Other Past Clients):

 

i)         Expert advise/consultancy, analysis, design and supervision of geotechnical aspects of dredging, land reclamation, shoring protection, earth fill, foundation, and offshore works.

ii)       Establishment of terms of reference for geotechnical investigation studies (field and lab testing) required for ensuring safe and economic design and durable construction of land reclamation works, buildings and infrastructure development on rock and soil. 

iii)      Evaluate and interpret results of geotechnical site and lab investigations, and make recommendations on:  i) suitability of project site and most appropriate type of foundation considering structure, ground conditions and cost and time constraints, ii) requirement of ground improvement, and stabilization measures to ensure achieving targeted  level of safety, and iii) rock/soil material engineering design parameters for geotechnical works.

iv)     Develop quality control procedures (sampling technique, field and lab testing,  verification procedure, etc) to ensure delivery of geotechnical  material (e.g. rock armour quarry run, filter material, dredged and land fill material, etc) in full compliance with targeted specifications and standards. 

v)       Establish design criteria and conduct analysis and design of geotechnical works dealing with soil and rock material (e.g. shallow and deep (piling) foundations, ground improvement works, diaphragm walls, embankments, shoring protection works, earth and retaining structures, underground excavation support works, tunnels, ground water control system, etc).

vi)     Develop earthquake design parameters and response spectrum for design of buildings and infrastructure considering regional tectonics and local geology and soil/rock conditions.

vii)    Develop a workable investigation plan for selecting best dredging material and dredging sites for use in land reclamation for upcoming Client projects to ensure full compliance with targeted specifications and avoid problems of liquefaction, excessive fines content, weak materials, piping erosion, creep settlement, and other durability related problems. Evaluation of properties of dredged material based on such studies and make recommendations.

viii)  Recommend best practices for land reclamation works and most effective methods of ground improvement works for each type of dredging material ensuring compliance with safety and design requirements (settlement, bearing capacity and resistance to liquefaction), cost requirements and optimum time of execution.

ix)     Recommend specifications, codes of practice and quality control methodologies for land reclamation geotechnical works.

x)       Review, make recommendations and certification of method statements for geotechnical engineering works submitted by the contractors (e.g.  ground improvement, piling, shoring, etc).

xi)     Recommend geotechnical practices and materials that meets the requirements of safety, cost effectiveness and timely execution.

xii)    Participate in technical meetings representing Client.

xiii)  Third party review of geotechnical studies, design, specifications and make recommendations.

xiv)  Provide all needed geotechnical advise to Client.

xv)   Conduct individual or joint routine site visits representing Client for inspection and recommendation.

xvi)  Recommend and supervise monitoring program of geotechnical works (e.g. settlement, pore pressure, erosion etc)

xvii)Conduct value engineering analysis of geotechnical works

 



                                                                                                                       




SUMMARY OF GEOTECHNICAL SERVICES









·         SITE CONDITIONS:

              1. Regional Geology.

 

·         SUBSOIL CONDITIONS :

     1. Subsoil Properties

     2.  Groundwater

     3. Details of Underground Obstructions.


·         FIELD INVESTIGATION:

     1. Field Tests.


·         LABORATORY TEST.


·         HYDROLOGY :

          1. Erosion Potential, Surface Run.


·         SEISMICTY ANALYSIS:

     1. Determination of Site Classification

     2.  Determination of Site-Specific Equivalent Maximum.


·         FOUNDATION ANALYSIS

     1. Ultimate and allowable Soil Bearing Capacity.

     2. Foundation Settlement

         2.1. Immediate settlement during of sub-soils

         2.2. Long Term settlement.


·         Other Considerations:

     1. Liquefaction potential of sub-soils.

     2. Swelling potential of sub-soils.

     3. Collapsible sub-soils.


·         Recommended Foundation Types.


·         Earth Pressures.


·         Maximum Allowable Soil Bearing Pressure Under Cranes During Heavy Lifts.


·         EARTHWPRK

     1. Suitability of On-Site Material and Non-Structural Fill

     2. Availability of Imported Fill.

     3. Proof Rolling, Recommended Compaction Criteria.

     4. Recommended Type of Material under Footings, Slabs.

     5. Anticipated Compaction Difficulties and Recommended Solution.


·        DIKES

     1. Dike Slopes

     2. Type and compaction of Dike Material.

     3. Seepage Analysis.

     4. Slope Stability Analysis.

     5. Erosion Protect on of Slopes.

     6. Suitability of Sub-grade Material.

 

·         PONDS:

     1. Treatment for Reducing Seepage.

     2. Slope Stability Analysis.

     3. Erosion Protection of Side Slopes.


·         ROADWAYS:

     1. Natural and Fill Subgrade Recommendations.

     2. recommendation CBR Value or other subgrade parameter such as coefficient of subgrade reaction.

     3. Treatment for improving Subgrade CBR Value, if required.


·         EXCAVATION PROBLEMS:

    1. Slope Excavation.

    2. Shoring if required.

    3. Groundwater Control.

    4. Flow Quantities.

    5. Effects on Existing Facilities.


·         SUB-SOILPROPERTIES.


·         RECOMMENDATION OR DISCUSSIONS ARE REQUIRED ON THE FOLLOWING:

    1. Pre-Load Consideration, for tanks, large mats, cooling tower structures. Pre-Load magnitude.

    2. Drilled shafts/Undeream Foundations:

        2.1. Ultimate and allowable downward capacity through end bearing and skin friction.

        2.2. Ultimate and allowable uplift and lateral capacities.

        2.3. Down Drag effects

    3. Sheet Pilling Recommendation for temporary and or permanent protection, retaining wall construction, etc.

 

·         RAILROADS:

    1. Natural soil and fill subgrade recommendations.

    2. Ballast recommendations, with consideration to availability.

       

 

 

 


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